diff --git a/public/css/jquery.atwho.min.css b/public/css/jquery.atwho.min.css
deleted file mode 100644
index f770dc73b..000000000
--- a/public/css/jquery.atwho.min.css
+++ /dev/null
@@ -1 +0,0 @@
-.atwho-view{position:absolute;top:0;left:0;display:none;margin-top:18px;background:#fff;color:#000;border:1px solid #DDD;border-radius:3px;box-shadow:0 0 5px rgba(0,0,0,.1);min-width:120px;z-index:11110!important}.atwho-view .atwho-header{padding:5px;margin:5px;cursor:pointer;border-bottom:solid 1px #eaeff1;color:#6f8092;font-size:11px;font-weight:700}.atwho-view .atwho-header .small{color:#6f8092;float:right;padding-top:2px;margin-right:-5px;font-size:12px;font-weight:400}.atwho-view .atwho-header:hover{cursor:default}.atwho-view .cur{background:#36F;color:#fff}.atwho-view .cur small{color:#fff}.atwho-view strong{color:#36F}.atwho-view .cur strong{color:#fff;font:700}.atwho-view ul{list-style:none;padding:0;margin:auto;max-height:200px;overflow-y:auto}.atwho-view ul li{display:block;padding:5px 10px;border-bottom:1px solid #DDD;cursor:pointer}.atwho-view small{font-size:smaller;color:#777;font-weight:400}
\ No newline at end of file
diff --git a/public/js/jquery.atwho.js b/public/js/jquery.atwho.js
deleted file mode 100644
index 09ca40c11..000000000
--- a/public/js/jquery.atwho.js
+++ /dev/null
@@ -1,1215 +0,0 @@
-/**
- * at.js - 1.5.4
- * Copyright (c) 2018 chord.luo <chord.luo@gmail.com>;
- * Homepage: http://ichord.github.com/At.js
- * License: MIT
- */
-(function (root, factory) {
-  if (typeof define === 'function' && define.amd) {
-    // AMD. Register as an anonymous module unless amdModuleId is set
-    define(["jquery"], function (a0) {
-      return (factory(a0));
-    });
-  } else if (typeof exports === 'object') {
-    // Node. Does not work with strict CommonJS, but
-    // only CommonJS-like environments that support module.exports,
-    // like Node.
-    module.exports = factory(require("jquery"));
-  } else {
-    factory(jQuery);
-  }
-}(this, function ($) {
-var DEFAULT_CALLBACKS, KEY_CODE;
-
-KEY_CODE = {
-  ESC: 27,
-  TAB: 9,
-  ENTER: 13,
-  CTRL: 17,
-  A: 65,
-  P: 80,
-  N: 78,
-  LEFT: 37,
-  UP: 38,
-  RIGHT: 39,
-  DOWN: 40,
-  BACKSPACE: 8,
-  SPACE: 32
-};
-
-DEFAULT_CALLBACKS = {
-  beforeSave: function(data) {
-    return Controller.arrayToDefaultHash(data);
-  },
-  matcher: function(flag, subtext, should_startWithSpace, acceptSpaceBar) {
-    var _a, _y, match, regexp, space;
-    flag = flag.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
-    if (should_startWithSpace) {
-      flag = '(?:^|\\s)' + flag;
-    }
-    _a = decodeURI("%C3%80");
-    _y = decodeURI("%C3%BF");
-    space = acceptSpaceBar ? "\ " : "";
-    regexp = new RegExp(flag + "([A-Za-z" + _a + "-" + _y + "0-9_" + space + "\'\.\+\-]*)$|" + flag + "([^\\x00-\\xff]*)$", 'gi');
-    match = regexp.exec(subtext);
-    if (match) {
-      return match[2] || match[1];
-    } else {
-      return null;
-    }
-  },
-  filter: function(query, data, searchKey) {
-    var _results, i, item, len;
-    _results = [];
-    for (i = 0, len = data.length; i < len; i++) {
-      item = data[i];
-      if (~new String(item[searchKey]).toLowerCase().indexOf(query.toLowerCase())) {
-        _results.push(item);
-      }
-    }
-    return _results;
-  },
-  remoteFilter: null,
-  sorter: function(query, items, searchKey) {
-    var _results, i, item, len;
-    if (!query) {
-      return items;
-    }
-    _results = [];
-    for (i = 0, len = items.length; i < len; i++) {
-      item = items[i];
-      item.atwho_order = new String(item[searchKey]).toLowerCase().indexOf(query.toLowerCase());
-      if (item.atwho_order > -1) {
-        _results.push(item);
-      }
-    }
-    return _results.sort(function(a, b) {
-      return a.atwho_order - b.atwho_order;
-    });
-  },
-  tplEval: function(tpl, map) {
-    var error, error1, template;
-    template = tpl;
-    try {
-      if (typeof tpl !== 'string') {
-        template = tpl(map);
-      }
-      return template.replace(/\$\{([^\}]*)\}/g, function(tag, key, pos) {
-        return map[key];
-      });
-    } catch (error1) {
-      error = error1;
-      return "";
-    }
-  },
-  highlighter: function(li, query) {
-    var regexp;
-    if (!query) {
-      return li;
-    }
-    regexp = new RegExp(">\\s*([^\<]*?)(" + query.replace("+", "\\+") + ")([^\<]*)\\s*<", 'ig');
-    return li.replace(regexp, function(str, $1, $2, $3) {
-      return '> ' + $1 + '<strong>' + $2 + '</strong>' + $3 + ' <';
-    });
-  },
-  beforeInsert: function(value, $li, e) {
-    return value;
-  },
-  beforeReposition: function(offset) {
-    return offset;
-  },
-  afterMatchFailed: function(at, el) {}
-};
-
-var App;
-
-App = (function() {
-  function App(inputor) {
-    this.currentFlag = null;
-    this.controllers = {};
-    this.aliasMaps = {};
-    this.$inputor = $(inputor);
-    this.setupRootElement();
-    this.listen();
-  }
-
-  App.prototype.createContainer = function(doc) {
-    var ref;
-    if ((ref = this.$el) != null) {
-      ref.remove();
-    }
-    return $(doc.body).append(this.$el = $("<div class='atwho-container'></div>"));
-  };
-
-  App.prototype.setupRootElement = function(iframe, asRoot) {
-    var error, error1;
-    if (asRoot == null) {
-      asRoot = false;
-    }
-    if (iframe) {
-      this.window = iframe.contentWindow;
-      this.document = iframe.contentDocument || this.window.document;
-      this.iframe = iframe;
-    } else {
-      this.document = this.$inputor[0].ownerDocument;
-      this.window = this.document.defaultView || this.document.parentWindow;
-      try {
-        this.iframe = this.window.frameElement;
-      } catch (error1) {
-        error = error1;
-        this.iframe = null;
-        if ($.fn.atwho.debug) {
-          throw new Error("iframe auto-discovery is failed.\nPlease use `setIframe` to set the target iframe manually.\n" + error);
-        }
-      }
-    }
-    return this.createContainer((this.iframeAsRoot = asRoot) ? this.document : document);
-  };
-
-  App.prototype.controller = function(at) {
-    var c, current, currentFlag, ref;
-    if (this.aliasMaps[at]) {
-      current = this.controllers[this.aliasMaps[at]];
-    } else {
-      ref = this.controllers;
-      for (currentFlag in ref) {
-        c = ref[currentFlag];
-        if (currentFlag === at) {
-          current = c;
-          break;
-        }
-      }
-    }
-    if (current) {
-      return current;
-    } else {
-      return this.controllers[this.currentFlag];
-    }
-  };
-
-  App.prototype.setContextFor = function(at) {
-    this.currentFlag = at;
-    return this;
-  };
-
-  App.prototype.reg = function(flag, setting) {
-    var base, controller;
-    controller = (base = this.controllers)[flag] || (base[flag] = this.$inputor.is('[contentEditable]') ? new EditableController(this, flag) : new TextareaController(this, flag));
-    if (setting.alias) {
-      this.aliasMaps[setting.alias] = flag;
-    }
-    controller.init(setting);
-    return this;
-  };
-
-  App.prototype.listen = function() {
-    return this.$inputor.on('compositionstart', (function(_this) {
-      return function(e) {
-        var ref;
-        if ((ref = _this.controller()) != null) {
-          ref.view.hide();
-        }
-        _this.isComposing = true;
-        return null;
-      };
-    })(this)).on('compositionend', (function(_this) {
-      return function(e) {
-        _this.isComposing = false;
-        setTimeout(function(e) {
-          return _this.dispatch(e);
-        });
-        return null;
-      };
-    })(this)).on('keyup.atwhoInner', (function(_this) {
-      return function(e) {
-        return _this.onKeyup(e);
-      };
-    })(this)).on('keydown.atwhoInner', (function(_this) {
-      return function(e) {
-        return _this.onKeydown(e);
-      };
-    })(this)).on('blur.atwhoInner', (function(_this) {
-      return function(e) {
-        var c;
-        if (c = _this.controller()) {
-          c.expectedQueryCBId = null;
-          return c.view.hide(e, c.getOpt("displayTimeout"));
-        }
-      };
-    })(this)).on('click.atwhoInner', (function(_this) {
-      return function(e) {
-        return _this.dispatch(e);
-      };
-    })(this)).on('scroll.atwhoInner', (function(_this) {
-      return function() {
-        var lastScrollTop;
-        lastScrollTop = _this.$inputor.scrollTop();
-        return function(e) {
-          var currentScrollTop, ref;
-          currentScrollTop = e.target.scrollTop;
-          if (lastScrollTop !== currentScrollTop) {
-            if ((ref = _this.controller()) != null) {
-              ref.view.hide(e);
-            }
-          }
-          lastScrollTop = currentScrollTop;
-          return true;
-        };
-      };
-    })(this)());
-  };
-
-  App.prototype.shutdown = function() {
-    var _, c, ref;
-    ref = this.controllers;
-    for (_ in ref) {
-      c = ref[_];
-      c.destroy();
-      delete this.controllers[_];
-    }
-    this.$inputor.off('.atwhoInner');
-    return this.$el.remove();
-  };
-
-  App.prototype.dispatch = function(e) {
-    var _, c, ref, results;
-    if (void 0 === e) {
-      return;
-    }
-    ref = this.controllers;
-    results = [];
-    for (_ in ref) {
-      c = ref[_];
-      results.push(c.lookUp(e));
-    }
-    return results;
-  };
-
-  App.prototype.onKeyup = function(e) {
-    var ref;
-    switch (e.keyCode) {
-      case KEY_CODE.ESC:
-        e.preventDefault();
-        if ((ref = this.controller()) != null) {
-          ref.view.hide();
-        }
-        break;
-      case KEY_CODE.DOWN:
-      case KEY_CODE.UP:
-      case KEY_CODE.CTRL:
-      case KEY_CODE.ENTER:
-        $.noop();
-        break;
-      case KEY_CODE.P:
-      case KEY_CODE.N:
-        if (!e.ctrlKey) {
-          this.dispatch(e);
-        }
-        break;
-      default:
-        this.dispatch(e);
-    }
-  };
-
-  App.prototype.onKeydown = function(e) {
-    var ref, view;
-    view = (ref = this.controller()) != null ? ref.view : void 0;
-    if (!(view && view.visible())) {
-      return;
-    }
-    switch (e.keyCode) {
-      case KEY_CODE.ESC:
-        e.preventDefault();
-        view.hide(e);
-        break;
-      case KEY_CODE.UP:
-        e.preventDefault();
-        view.prev();
-        break;
-      case KEY_CODE.DOWN:
-        e.preventDefault();
-        view.next();
-        break;
-      case KEY_CODE.P:
-        if (!e.ctrlKey) {
-          return;
-        }
-        e.preventDefault();
-        view.prev();
-        break;
-      case KEY_CODE.N:
-        if (!e.ctrlKey) {
-          return;
-        }
-        e.preventDefault();
-        view.next();
-        break;
-      case KEY_CODE.TAB:
-      case KEY_CODE.ENTER:
-      case KEY_CODE.SPACE:
-        if (!view.visible()) {
-          return;
-        }
-        if (!this.controller().getOpt('spaceSelectsMatch') && e.keyCode === KEY_CODE.SPACE) {
-          return;
-        }
-        if (!this.controller().getOpt('tabSelectsMatch') && e.keyCode === KEY_CODE.TAB) {
-          return;
-        }
-        if (view.highlighted()) {
-          e.preventDefault();
-          view.choose(e);
-        } else {
-          view.hide(e);
-        }
-        break;
-      default:
-        $.noop();
-    }
-  };
-
-  return App;
-
-})();
-
-var Controller,
-  slice = [].slice;
-
-Controller = (function() {
-  Controller.prototype.uid = function() {
-    return (Math.random().toString(16) + "000000000").substr(2, 8) + (new Date().getTime());
-  };
-
-  function Controller(app, at1) {
-    this.app = app;
-    this.at = at1;
-    this.$inputor = this.app.$inputor;
-    this.id = this.$inputor[0].id || this.uid();
-    this.expectedQueryCBId = null;
-    this.setting = null;
-    this.query = null;
-    this.pos = 0;
-    this.range = null;
-    if ((this.$el = $("#atwho-ground-" + this.id, this.app.$el)).length === 0) {
-      this.app.$el.append(this.$el = $("<div id='atwho-ground-" + this.id + "'></div>"));
-    }
-    this.model = new Model(this);
-    this.view = new View(this);
-  }
-
-  Controller.prototype.init = function(setting) {
-    this.setting = $.extend({}, this.setting || $.fn.atwho["default"], setting);
-    this.view.init();
-    return this.model.reload(this.setting.data);
-  };
-
-  Controller.prototype.destroy = function() {
-    this.trigger('beforeDestroy');
-    this.model.destroy();
-    this.view.destroy();
-    return this.$el.remove();
-  };
-
-  Controller.prototype.callDefault = function() {
-    var args, error, error1, funcName;
-    funcName = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
-    try {
-      return DEFAULT_CALLBACKS[funcName].apply(this, args);
-    } catch (error1) {
-      error = error1;
-      return $.error(error + " Or maybe At.js doesn't have function " + funcName);
-    }
-  };
-
-  Controller.prototype.trigger = function(name, data) {
-    var alias, eventName;
-    if (data == null) {
-      data = [];
-    }
-    data.push(this);
-    alias = this.getOpt('alias');
-    eventName = alias ? name + "-" + alias + ".atwho" : name + ".atwho";
-    return this.$inputor.trigger(eventName, data);
-  };
-
-  Controller.prototype.callbacks = function(funcName) {
-    return this.getOpt("callbacks")[funcName] || DEFAULT_CALLBACKS[funcName];
-  };
-
-  Controller.prototype.getOpt = function(at, default_value) {
-    var e, error1;
-    try {
-      return this.setting[at];
-    } catch (error1) {
-      e = error1;
-      return null;
-    }
-  };
-
-  Controller.prototype.insertContentFor = function($li) {
-    var data, tpl;
-    tpl = this.getOpt('insertTpl');
-    data = $.extend({}, $li.data('item-data'), {
-      'atwho-at': this.at
-    });
-    return this.callbacks("tplEval").call(this, tpl, data, "onInsert");
-  };
-
-  Controller.prototype.renderView = function(data) {
-    var searchKey;
-    searchKey = this.getOpt("searchKey");
-    data = this.callbacks("sorter").call(this, this.query.text, data.slice(0, 1001), searchKey);
-    return this.view.render(data.slice(0, this.getOpt('limit')));
-  };
-
-  Controller.arrayToDefaultHash = function(data) {
-    var i, item, len, results;
-    if (!$.isArray(data)) {
-      return data;
-    }
-    results = [];
-    for (i = 0, len = data.length; i < len; i++) {
-      item = data[i];
-      if ($.isPlainObject(item)) {
-        results.push(item);
-      } else {
-        results.push({
-          name: item
-        });
-      }
-    }
-    return results;
-  };
-
-  Controller.prototype.lookUp = function(e) {
-    var query, wait;
-    if (e && e.type === 'click' && !this.getOpt('lookUpOnClick')) {
-      return;
-    }
-    if (this.getOpt('suspendOnComposing') && this.app.isComposing) {
-      return;
-    }
-    query = this.catchQuery(e);
-    if (!query) {
-      this.expectedQueryCBId = null;
-      return query;
-    }
-    this.app.setContextFor(this.at);
-    if (wait = this.getOpt('delay')) {
-      this._delayLookUp(query, wait);
-    } else {
-      this._lookUp(query);
-    }
-    return query;
-  };
-
-  Controller.prototype._delayLookUp = function(query, wait) {
-    var now, remaining;
-    now = Date.now ? Date.now() : new Date().getTime();
-    this.previousCallTime || (this.previousCallTime = now);
-    remaining = wait - (now - this.previousCallTime);
-    if ((0 < remaining && remaining < wait)) {
-      this.previousCallTime = now;
-      this._stopDelayedCall();
-      return this.delayedCallTimeout = setTimeout((function(_this) {
-        return function() {
-          _this.previousCallTime = 0;
-          _this.delayedCallTimeout = null;
-          return _this._lookUp(query);
-        };
-      })(this), wait);
-    } else {
-      this._stopDelayedCall();
-      if (this.previousCallTime !== now) {
-        this.previousCallTime = 0;
-      }
-      return this._lookUp(query);
-    }
-  };
-
-  Controller.prototype._stopDelayedCall = function() {
-    if (this.delayedCallTimeout) {
-      clearTimeout(this.delayedCallTimeout);
-      return this.delayedCallTimeout = null;
-    }
-  };
-
-  Controller.prototype._generateQueryCBId = function() {
-    return {};
-  };
-
-  Controller.prototype._lookUp = function(query) {
-    var _callback;
-    _callback = function(queryCBId, data) {
-      if (queryCBId !== this.expectedQueryCBId) {
-        return;
-      }
-      if (data && data.length > 0) {
-        return this.renderView(this.constructor.arrayToDefaultHash(data));
-      } else {
-        return this.view.hide();
-      }
-    };
-    this.expectedQueryCBId = this._generateQueryCBId();
-    return this.model.query(query.text, $.proxy(_callback, this, this.expectedQueryCBId));
-  };
-
-  return Controller;
-
-})();
-
-var TextareaController,
-  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
-  hasProp = {}.hasOwnProperty;
-
-TextareaController = (function(superClass) {
-  extend(TextareaController, superClass);
-
-  function TextareaController() {
-    return TextareaController.__super__.constructor.apply(this, arguments);
-  }
-
-  TextareaController.prototype.catchQuery = function() {
-    var caretPos, content, end, isString, query, start, subtext;
-    content = this.$inputor.val();
-    caretPos = this.$inputor.caret('pos', {
-      iframe: this.app.iframe
-    });
-    subtext = content.slice(0, caretPos);
-    query = this.callbacks("matcher").call(this, this.at, subtext, this.getOpt('startWithSpace'), this.getOpt("acceptSpaceBar"));
-    isString = typeof query === 'string';
-    if (isString && query.length < this.getOpt('minLen', 0)) {
-      return;
-    }
-    if (isString && query.length <= this.getOpt('maxLen', 20)) {
-      start = caretPos - query.length;
-      end = start + query.length;
-      this.pos = start;
-      query = {
-        'text': query,
-        'headPos': start,
-        'endPos': end
-      };
-      this.trigger("matched", [this.at, query.text]);
-    } else {
-      query = null;
-      this.view.hide();
-    }
-    return this.query = query;
-  };
-
-  TextareaController.prototype.rect = function() {
-    var c, iframeOffset, scaleBottom;
-    if (!(c = this.$inputor.caret('offset', this.pos - 1, {
-      iframe: this.app.iframe
-    }))) {
-      return;
-    }
-    if (this.app.iframe && !this.app.iframeAsRoot) {
-      iframeOffset = $(this.app.iframe).offset();
-      c.left += iframeOffset.left;
-      c.top += iframeOffset.top;
-    }
-    scaleBottom = this.app.document.selection ? 0 : 2;
-    return {
-      left: c.left,
-      top: c.top,
-      bottom: c.top + c.height + scaleBottom
-    };
-  };
-
-  TextareaController.prototype.insert = function(content, $li) {
-    var $inputor, source, startStr, suffix, text;
-    $inputor = this.$inputor;
-    source = $inputor.val();
-    startStr = source.slice(0, Math.max(this.query.headPos - this.at.length, 0));
-    suffix = (suffix = this.getOpt('suffix')) === "" ? suffix : suffix || " ";
-    content += suffix;
-    text = "" + startStr + content + (source.slice(this.query['endPos'] || 0));
-    $inputor.val(text);
-    $inputor.caret('pos', startStr.length + content.length, {
-      iframe: this.app.iframe
-    });
-    if (!$inputor.is(':focus')) {
-      $inputor.focus();
-    }
-    return $inputor.change();
-  };
-
-  return TextareaController;
-
-})(Controller);
-
-var EditableController,
-  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
-  hasProp = {}.hasOwnProperty;
-
-EditableController = (function(superClass) {
-  extend(EditableController, superClass);
-
-  function EditableController() {
-    return EditableController.__super__.constructor.apply(this, arguments);
-  }
-
-  EditableController.prototype._getRange = function() {
-    var sel;
-    sel = this.app.window.getSelection();
-    if (sel.rangeCount > 0) {
-      return sel.getRangeAt(0);
-    }
-  };
-
-  EditableController.prototype._setRange = function(position, node, range) {
-    if (range == null) {
-      range = this._getRange();
-    }
-    if (!(range && node)) {
-      return;
-    }
-    node = $(node)[0];
-    if (position === 'after') {
-      range.setEndAfter(node);
-      range.setStartAfter(node);
-    } else {
-      range.setEndBefore(node);
-      range.setStartBefore(node);
-    }
-    range.collapse(false);
-    return this._clearRange(range);
-  };
-
-  EditableController.prototype._clearRange = function(range) {
-    var sel;
-    if (range == null) {
-      range = this._getRange();
-    }
-    sel = this.app.window.getSelection();
-    if (this.ctrl_a_pressed == null) {
-      sel.removeAllRanges();
-      return sel.addRange(range);
-    }
-  };
-
-  EditableController.prototype._movingEvent = function(e) {
-    var ref;
-    return e.type === 'click' || ((ref = e.which) === KEY_CODE.RIGHT || ref === KEY_CODE.LEFT || ref === KEY_CODE.UP || ref === KEY_CODE.DOWN);
-  };
-
-  EditableController.prototype._unwrap = function(node) {
-    var next;
-    node = $(node).unwrap().get(0);
-    if ((next = node.nextSibling) && next.nodeValue) {
-      node.nodeValue += next.nodeValue;
-      $(next).remove();
-    }
-    return node;
-  };
-
-  EditableController.prototype.catchQuery = function(e) {
-    var $inserted, $query, _range, index, inserted, isString, lastNode, matched, offset, query, query_content, range;
-    if (!(range = this._getRange())) {
-      return;
-    }
-    if (!range.collapsed) {
-      return;
-    }
-    if (e.which === KEY_CODE.ENTER) {
-      ($query = $(range.startContainer).closest('.atwho-query')).contents().unwrap();
-      if ($query.is(':empty')) {
-        $query.remove();
-      }
-      ($query = $(".atwho-query", this.app.document)).text($query.text()).contents().last().unwrap();
-      this._clearRange();
-      return;
-    }
-    if (/firefox/i.test(navigator.userAgent)) {
-      if ($(range.startContainer).is(this.$inputor)) {
-        this._clearRange();
-        return;
-      }
-      if (e.which === KEY_CODE.BACKSPACE && range.startContainer.nodeType === document.ELEMENT_NODE && (offset = range.startOffset - 1) >= 0) {
-        _range = range.cloneRange();
-        _range.setStart(range.startContainer, offset);
-        if ($(_range.cloneContents()).contents().last().is('.atwho-inserted')) {
-          inserted = $(range.startContainer).contents().get(offset);
-          this._setRange('after', $(inserted).contents().last());
-        }
-      } else if (e.which === KEY_CODE.LEFT && range.startContainer.nodeType === document.TEXT_NODE) {
-        $inserted = $(range.startContainer.previousSibling);
-        if ($inserted.is('.atwho-inserted') && range.startOffset === 0) {
-          this._setRange('after', $inserted.contents().last());
-        }
-      }
-    }
-    $(range.startContainer).closest('.atwho-inserted').addClass('atwho-query').siblings().removeClass('atwho-query');
-    if (($query = $(".atwho-query", this.app.document)).length > 0 && $query.is(':empty') && $query.text().length === 0) {
-      $query.remove();
-    }
-    if (!this._movingEvent(e)) {
-      $query.removeClass('atwho-inserted');
-    }
-    if ($query.length > 0) {
-      switch (e.which) {
-        case KEY_CODE.LEFT:
-          this._setRange('before', $query.get(0), range);
-          $query.removeClass('atwho-query');
-          return;
-        case KEY_CODE.RIGHT:
-          this._setRange('after', $query.get(0).nextSibling, range);
-          $query.removeClass('atwho-query');
-          return;
-      }
-    }
-    if ($query.length > 0 && (query_content = $query.attr('data-atwho-at-query'))) {
-      $query.empty().html(query_content).attr('data-atwho-at-query', null);
-      this._setRange('after', $query.get(0), range);
-    }
-    _range = range.cloneRange();
-    _range.setStart(range.startContainer, 0);
-    matched = this.callbacks("matcher").call(this, this.at, _range.toString(), this.getOpt('startWithSpace'), this.getOpt("acceptSpaceBar"));
-    isString = typeof matched === 'string';
-    if ($query.length === 0 && isString && (index = range.startOffset - this.at.length - matched.length) >= 0) {
-      range.setStart(range.startContainer, index);
-      $query = $('<span/>', this.app.document).attr(this.getOpt("editableAtwhoQueryAttrs")).addClass('atwho-query');
-      range.surroundContents($query.get(0));
-      lastNode = $query.contents().last().get(0);
-      if (lastNode) {
-        if (/firefox/i.test(navigator.userAgent)) {
-          range.setStart(lastNode, lastNode.length);
-          range.setEnd(lastNode, lastNode.length);
-          this._clearRange(range);
-        } else {
-          this._setRange('after', lastNode, range);
-        }
-      }
-    }
-    if (isString && matched.length < this.getOpt('minLen', 0)) {
-      return;
-    }
-    if (isString && matched.length <= this.getOpt('maxLen', 20)) {
-      query = {
-        text: matched,
-        el: $query
-      };
-      this.trigger("matched", [this.at, query.text]);
-      return this.query = query;
-    } else {
-      this.view.hide();
-      this.query = {
-        el: $query
-      };
-      if ($query.text().indexOf(this.at) >= 0) {
-        if (this._movingEvent(e) && $query.hasClass('atwho-inserted')) {
-          $query.removeClass('atwho-query');
-        } else if (false !== this.callbacks('afterMatchFailed').call(this, this.at, $query)) {
-          this._setRange("after", this._unwrap($query.text($query.text()).contents().first()));
-        }
-      }
-      return null;
-    }
-  };
-
-  EditableController.prototype.rect = function() {
-    var $iframe, iframeOffset, rect;
-    rect = this.query.el.offset();
-    if (!(rect && this.query.el[0].getClientRects().length)) {
-      return;
-    }
-    if (this.app.iframe && !this.app.iframeAsRoot) {
-      iframeOffset = ($iframe = $(this.app.iframe)).offset();
-      rect.left += iframeOffset.left - this.$inputor.scrollLeft();
-      rect.top += iframeOffset.top - this.$inputor.scrollTop();
-    }
-    rect.bottom = rect.top + this.query.el.height();
-    return rect;
-  };
-
-  EditableController.prototype.insert = function(content, $li) {
-    var data, overrides, range, suffix, suffixNode;
-    if (!this.$inputor.is(':focus')) {
-      this.$inputor.focus();
-    }
-    overrides = this.getOpt('functionOverrides');
-    if (overrides.insert) {
-      return overrides.insert.call(this, content, $li);
-    }
-    suffix = (suffix = this.getOpt('suffix')) === "" ? suffix : suffix || "\u00A0";
-    data = $li.data('item-data');
-    this.query.el.removeClass('atwho-query').addClass('atwho-inserted').html(content).attr('data-atwho-at-query', "" + data['atwho-at'] + this.query.text).attr('contenteditable', "false");
-    if (range = this._getRange()) {
-      if (this.query.el.length) {
-        range.setEndAfter(this.query.el[0]);
-      }
-      range.collapse(false);
-      range.insertNode(suffixNode = this.app.document.createTextNode("" + suffix));
-      this._setRange('after', suffixNode, range);
-    }
-    if (!this.$inputor.is(':focus')) {
-      this.$inputor.focus();
-    }
-    return this.$inputor.change();
-  };
-
-  return EditableController;
-
-})(Controller);
-
-var Model;
-
-Model = (function() {
-  function Model(context) {
-    this.context = context;
-    this.at = this.context.at;
-    this.storage = this.context.$inputor;
-  }
-
-  Model.prototype.destroy = function() {
-    return this.storage.data(this.at, null);
-  };
-
-  Model.prototype.saved = function() {
-    return this.fetch() > 0;
-  };
-
-  Model.prototype.query = function(query, callback) {
-    var _remoteFilter, data, searchKey;
-    data = this.fetch();
-    searchKey = this.context.getOpt("searchKey");
-    data = this.context.callbacks('filter').call(this.context, query, data, searchKey) || [];
-    _remoteFilter = this.context.callbacks('remoteFilter');
-    if (data.length > 0 || (!_remoteFilter && data.length === 0)) {
-      return callback(data);
-    } else {
-      return _remoteFilter.call(this.context, query, callback);
-    }
-  };
-
-  Model.prototype.fetch = function() {
-    return this.storage.data(this.at) || [];
-  };
-
-  Model.prototype.save = function(data) {
-    return this.storage.data(this.at, this.context.callbacks("beforeSave").call(this.context, data || []));
-  };
-
-  Model.prototype.load = function(data) {
-    if (!(this.saved() || !data)) {
-      return this._load(data);
-    }
-  };
-
-  Model.prototype.reload = function(data) {
-    return this._load(data);
-  };
-
-  Model.prototype._load = function(data) {
-    if (typeof data === "string") {
-      return $.ajax(data, {
-        dataType: "json"
-      }).done((function(_this) {
-        return function(data) {
-          return _this.save(data);
-        };
-      })(this));
-    } else {
-      return this.save(data);
-    }
-  };
-
-  return Model;
-
-})();
-
-var View;
-
-View = (function() {
-  function View(context) {
-    this.context = context;
-    this.$el = $("<div class='atwho-view'><ul class='atwho-view-ul'></ul></div>");
-    this.$elUl = this.$el.children();
-    this.timeoutID = null;
-    this.context.$el.append(this.$el);
-    this.bindEvent();
-  }
-
-  View.prototype.init = function() {
-    var header_tpl, id;
-    id = this.context.getOpt("alias") || this.context.at.charCodeAt(0);
-    header_tpl = this.context.getOpt("headerTpl");
-    if (header_tpl && this.$el.children().length === 1) {
-      this.$el.prepend(header_tpl);
-    }
-    return this.$el.attr({
-      'id': "at-view-" + id
-    });
-  };
-
-  View.prototype.destroy = function() {
-    return this.$el.remove();
-  };
-
-  View.prototype.bindEvent = function() {
-    var $menu, lastCoordX, lastCoordY;
-    $menu = this.$el.find('ul');
-    lastCoordX = 0;
-    lastCoordY = 0;
-    return $menu.on('mousemove.atwho-view', 'li', (function(_this) {
-      return function(e) {
-        var $cur;
-        if (lastCoordX === e.clientX && lastCoordY === e.clientY) {
-          return;
-        }
-        lastCoordX = e.clientX;
-        lastCoordY = e.clientY;
-        $cur = $(e.currentTarget);
-        if ($cur.hasClass('cur')) {
-          return;
-        }
-        $menu.find('.cur').removeClass('cur');
-        return $cur.addClass('cur');
-      };
-    })(this)).on('click.atwho-view', 'li', (function(_this) {
-      return function(e) {
-        $menu.find('.cur').removeClass('cur');
-        $(e.currentTarget).addClass('cur');
-        _this.choose(e);
-        return e.preventDefault();
-      };
-    })(this));
-  };
-
-  View.prototype.visible = function() {
-    return $.expr.filters.visible(this.$el[0]);
-  };
-
-  View.prototype.highlighted = function() {
-    return this.$el.find(".cur").length > 0;
-  };
-
-  View.prototype.choose = function(e) {
-    var $li, content;
-    if (($li = this.$el.find(".cur")).length) {
-      content = this.context.insertContentFor($li);
-      this.context._stopDelayedCall();
-      this.context.insert(this.context.callbacks("beforeInsert").call(this.context, content, $li, e), $li);
-      this.context.trigger("inserted", [$li, e]);
-      this.hide(e);
-    }
-    if (this.context.getOpt("hideWithoutSuffix")) {
-      return this.stopShowing = true;
-    }
-  };
-
-  View.prototype.reposition = function(rect) {
-    var _window, offset, overflowOffset, ref;
-    _window = this.context.app.iframeAsRoot ? this.context.app.window : window;
-    if (rect.bottom + this.$el.height() - $(_window).scrollTop() > $(_window).height()) {
-      rect.bottom = rect.top - this.$el.height();
-    }
-    if (rect.left > (overflowOffset = $(_window).width() - this.$el.width() - 5)) {
-      rect.left = overflowOffset;
-    }
-    offset = {
-      left: rect.left,
-      top: rect.bottom
-    };
-    if ((ref = this.context.callbacks("beforeReposition")) != null) {
-      ref.call(this.context, offset);
-    }
-    this.$el.offset(offset);
-    return this.context.trigger("reposition", [offset]);
-  };
-
-  View.prototype.next = function() {
-    var cur, next, nextEl, offset;
-    cur = this.$el.find('.cur').removeClass('cur');
-    next = cur.next();
-    if (!next.length) {
-      next = this.$el.find('li:first');
-    }
-    next.addClass('cur');
-    nextEl = next[0];
-    offset = nextEl.offsetTop + nextEl.offsetHeight + (nextEl.nextSibling ? nextEl.nextSibling.offsetHeight : 0);
-    return this.scrollTop(Math.max(0, offset - this.$el.height()));
-  };
-
-  View.prototype.prev = function() {
-    var cur, offset, prev, prevEl;
-    cur = this.$el.find('.cur').removeClass('cur');
-    prev = cur.prev();
-    if (!prev.length) {
-      prev = this.$el.find('li:last');
-    }
-    prev.addClass('cur');
-    prevEl = prev[0];
-    offset = prevEl.offsetTop + prevEl.offsetHeight + (prevEl.nextSibling ? prevEl.nextSibling.offsetHeight : 0);
-    return this.scrollTop(Math.max(0, offset - this.$el.height()));
-  };
-
-  View.prototype.scrollTop = function(scrollTop) {
-    var scrollDuration;
-    scrollDuration = this.context.getOpt('scrollDuration');
-    if (scrollDuration) {
-      return this.$elUl.animate({
-        scrollTop: scrollTop
-      }, scrollDuration);
-    } else {
-      return this.$elUl.scrollTop(scrollTop);
-    }
-  };
-
-  View.prototype.show = function() {
-    var rect;
-    if (this.stopShowing) {
-      this.stopShowing = false;
-      return;
-    }
-    if (!this.visible()) {
-      this.$el.show();
-      this.$el.scrollTop(0);
-      this.context.trigger('shown');
-    }
-    if (rect = this.context.rect()) {
-      return this.reposition(rect);
-    }
-  };
-
-  View.prototype.hide = function(e, time) {
-    var callback;
-    if (!this.visible()) {
-      return;
-    }
-    if (isNaN(time)) {
-      this.$el.hide();
-      return this.context.trigger('hidden', [e]);
-    } else {
-      callback = (function(_this) {
-        return function() {
-          return _this.hide();
-        };
-      })(this);
-      clearTimeout(this.timeoutID);
-      return this.timeoutID = setTimeout(callback, time);
-    }
-  };
-
-  View.prototype.render = function(list) {
-    var $li, $ul, i, item, len, li, tpl;
-    if (!($.isArray(list) && list.length > 0)) {
-      this.hide();
-      return;
-    }
-    this.$el.find('ul').empty();
-    $ul = this.$el.find('ul');
-    tpl = this.context.getOpt('displayTpl');
-    for (i = 0, len = list.length; i < len; i++) {
-      item = list[i];
-      item = $.extend({}, item, {
-        'atwho-at': this.context.at
-      });
-      li = this.context.callbacks("tplEval").call(this.context, tpl, item, "onDisplay");
-      $li = $(this.context.callbacks("highlighter").call(this.context, li, this.context.query.text));
-      $li.data("item-data", item);
-      $ul.append($li);
-    }
-    this.show();
-    if (this.context.getOpt('highlightFirst')) {
-      return $ul.find("li:first").addClass("cur");
-    }
-  };
-
-  return View;
-
-})();
-
-var Api;
-
-Api = {
-  load: function(at, data) {
-    var c;
-    if (c = this.controller(at)) {
-      return c.model.load(data);
-    }
-  },
-  isSelecting: function() {
-    var ref;
-    return !!((ref = this.controller()) != null ? ref.view.visible() : void 0);
-  },
-  hide: function() {
-    var ref;
-    return (ref = this.controller()) != null ? ref.view.hide() : void 0;
-  },
-  reposition: function() {
-    var c;
-    if (c = this.controller()) {
-      return c.view.reposition(c.rect());
-    }
-  },
-  setIframe: function(iframe, asRoot) {
-    this.setupRootElement(iframe, asRoot);
-    return null;
-  },
-  run: function() {
-    return this.dispatch();
-  },
-  destroy: function() {
-    this.shutdown();
-    return this.$inputor.data('atwho', null);
-  }
-};
-
-$.fn.atwho = function(method) {
-  var _args, result;
-  _args = arguments;
-  result = null;
-  this.filter('textarea, input, [contenteditable=""], [contenteditable=true]').each(function() {
-    var $this, app;
-    if (!(app = ($this = $(this)).data("atwho"))) {
-      $this.data('atwho', (app = new App(this)));
-    }
-    if (typeof method === 'object' || !method) {
-      return app.reg(method.at, method);
-    } else if (Api[method] && app) {
-      return result = Api[method].apply(app, Array.prototype.slice.call(_args, 1));
-    } else {
-      return $.error("Method " + method + " does not exist on jQuery.atwho");
-    }
-  });
-  if (result != null) {
-    return result;
-  } else {
-    return this;
-  }
-};
-
-$.fn.atwho["default"] = {
-  at: void 0,
-  alias: void 0,
-  data: null,
-  displayTpl: "<li>${name}</li>",
-  insertTpl: "${atwho-at}${name}",
-  headerTpl: null,
-  callbacks: DEFAULT_CALLBACKS,
-  functionOverrides: {},
-  searchKey: "name",
-  suffix: void 0,
-  hideWithoutSuffix: false,
-  startWithSpace: true,
-  acceptSpaceBar: false,
-  highlightFirst: true,
-  limit: 5,
-  maxLen: 20,
-  minLen: 0,
-  displayTimeout: 300,
-  delay: null,
-  spaceSelectsMatch: false,
-  tabSelectsMatch: true,
-  editableAtwhoQueryAttrs: {},
-  scrollDuration: 150,
-  suspendOnComposing: true,
-  lookUpOnClick: true
-};
-
-$.fn.atwho.debug = false;
-
-}));
diff --git a/public/js/jquery.atwho.min.js b/public/js/jquery.atwho.min.js
deleted file mode 100644
index 857bb9312..000000000
--- a/public/js/jquery.atwho.min.js
+++ /dev/null
@@ -1 +0,0 @@
-!function(t,e){"function"==typeof define&&define.amd?define(["jquery"],function(t){return e(t)}):"object"==typeof exports?module.exports=e(require("jquery")):e(jQuery)}(this,function(t){var e,i;i={ESC:27,TAB:9,ENTER:13,CTRL:17,A:65,P:80,N:78,LEFT:37,UP:38,RIGHT:39,DOWN:40,BACKSPACE:8,SPACE:32},e={beforeSave:function(t){return r.arrayToDefaultHash(t)},matcher:function(t,e,i,n){var r,o,s,a,h;return t=t.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&"),i&&(t="(?:^|\\s)"+t),r=decodeURI("%C3%80"),o=decodeURI("%C3%BF"),h=n?" ":"",a=new RegExp(t+"([A-Za-z"+r+"-"+o+"0-9_"+h+"'.+-]*)$|"+t+"([^\\x00-\\xff]*)$","gi"),s=a.exec(e),s?s[2]||s[1]:null},filter:function(t,e,i){var n,r,o,s;for(n=[],r=0,s=e.length;s>r;r++)o=e[r],~new String(o[i]).toLowerCase().indexOf(t.toLowerCase())&&n.push(o);return n},remoteFilter:null,sorter:function(t,e,i){var n,r,o,s;if(!t)return e;for(n=[],r=0,s=e.length;s>r;r++)o=e[r],o.atwho_order=new String(o[i]).toLowerCase().indexOf(t.toLowerCase()),o.atwho_order>-1&&n.push(o);return n.sort(function(t,e){return t.atwho_order-e.atwho_order})},tplEval:function(t,e){var i,n,r;r=t;try{return"string"!=typeof t&&(r=t(e)),r.replace(/\$\{([^\}]*)\}/g,function(t,i,n){return e[i]})}catch(n){return i=n,""}},highlighter:function(t,e){var i;return e?(i=new RegExp(">\\s*([^<]*?)("+e.replace("+","\\+")+")([^<]*)\\s*<","ig"),t.replace(i,function(t,e,i,n){return"> "+e+"<strong>"+i+"</strong>"+n+" <"})):t},beforeInsert:function(t,e,i){return t},beforeReposition:function(t){return t},afterMatchFailed:function(t,e){}};var n;n=function(){function e(e){this.currentFlag=null,this.controllers={},this.aliasMaps={},this.$inputor=t(e),this.setupRootElement(),this.listen()}return e.prototype.createContainer=function(e){var i;return null!=(i=this.$el)&&i.remove(),t(e.body).append(this.$el=t("<div class='atwho-container'></div>"))},e.prototype.setupRootElement=function(e,i){var n,r;if(null==i&&(i=!1),e)this.window=e.contentWindow,this.document=e.contentDocument||this.window.document,this.iframe=e;else{this.document=this.$inputor[0].ownerDocument,this.window=this.document.defaultView||this.document.parentWindow;try{this.iframe=this.window.frameElement}catch(r){if(n=r,this.iframe=null,t.fn.atwho.debug)throw new Error("iframe auto-discovery is failed.\nPlease use `setIframe` to set the target iframe manually.\n"+n)}}return this.createContainer((this.iframeAsRoot=i)?this.document:document)},e.prototype.controller=function(t){var e,i,n,r;if(this.aliasMaps[t])i=this.controllers[this.aliasMaps[t]];else{r=this.controllers;for(n in r)if(e=r[n],n===t){i=e;break}}return i?i:this.controllers[this.currentFlag]},e.prototype.setContextFor=function(t){return this.currentFlag=t,this},e.prototype.reg=function(t,e){var i,n;return n=(i=this.controllers)[t]||(i[t]=this.$inputor.is("[contentEditable]")?new l(this,t):new s(this,t)),e.alias&&(this.aliasMaps[e.alias]=t),n.init(e),this},e.prototype.listen=function(){return this.$inputor.on("compositionstart",function(t){return function(e){var i;return null!=(i=t.controller())&&i.view.hide(),t.isComposing=!0,null}}(this)).on("compositionend",function(t){return function(e){return t.isComposing=!1,setTimeout(function(e){return t.dispatch(e)}),null}}(this)).on("keyup.atwhoInner",function(t){return function(e){return t.onKeyup(e)}}(this)).on("keydown.atwhoInner",function(t){return function(e){return t.onKeydown(e)}}(this)).on("blur.atwhoInner",function(t){return function(e){var i;return(i=t.controller())?(i.expectedQueryCBId=null,i.view.hide(e,i.getOpt("displayTimeout"))):void 0}}(this)).on("click.atwhoInner",function(t){return function(e){return t.dispatch(e)}}(this)).on("scroll.atwhoInner",function(t){return function(){var e;return e=t.$inputor.scrollTop(),function(i){var n,r;return n=i.target.scrollTop,e!==n&&null!=(r=t.controller())&&r.view.hide(i),e=n,!0}}}(this)())},e.prototype.shutdown=function(){var t,e,i;i=this.controllers;for(t in i)e=i[t],e.destroy(),delete this.controllers[t];return this.$inputor.off(".atwhoInner"),this.$el.remove()},e.prototype.dispatch=function(t){var e,i,n,r;if(void 0!==t){n=this.controllers,r=[];for(e in n)i=n[e],r.push(i.lookUp(t));return r}},e.prototype.onKeyup=function(e){var n;switch(e.keyCode){case i.ESC:e.preventDefault(),null!=(n=this.controller())&&n.view.hide();break;case i.DOWN:case i.UP:case i.CTRL:case i.ENTER:t.noop();break;case i.P:case i.N:e.ctrlKey||this.dispatch(e);break;default:this.dispatch(e)}},e.prototype.onKeydown=function(e){var n,r;if(r=null!=(n=this.controller())?n.view:void 0,r&&r.visible())switch(e.keyCode){case i.ESC:e.preventDefault(),r.hide(e);break;case i.UP:e.preventDefault(),r.prev();break;case i.DOWN:e.preventDefault(),r.next();break;case i.P:if(!e.ctrlKey)return;e.preventDefault(),r.prev();break;case i.N:if(!e.ctrlKey)return;e.preventDefault(),r.next();break;case i.TAB:case i.ENTER:case i.SPACE:if(!r.visible())return;if(!this.controller().getOpt("spaceSelectsMatch")&&e.keyCode===i.SPACE)return;if(!this.controller().getOpt("tabSelectsMatch")&&e.keyCode===i.TAB)return;r.highlighted()?(e.preventDefault(),r.choose(e)):r.hide(e);break;default:t.noop()}},e}();var r,o=[].slice;r=function(){function i(e,i){this.app=e,this.at=i,this.$inputor=this.app.$inputor,this.id=this.$inputor[0].id||this.uid(),this.expectedQueryCBId=null,this.setting=null,this.query=null,this.pos=0,this.range=null,0===(this.$el=t("#atwho-ground-"+this.id,this.app.$el)).length&&this.app.$el.append(this.$el=t("<div id='atwho-ground-"+this.id+"'></div>")),this.model=new u(this),this.view=new c(this)}return i.prototype.uid=function(){return(Math.random().toString(16)+"000000000").substr(2,8)+(new Date).getTime()},i.prototype.init=function(e){return this.setting=t.extend({},this.setting||t.fn.atwho["default"],e),this.view.init(),this.model.reload(this.setting.data)},i.prototype.destroy=function(){return this.trigger("beforeDestroy"),this.model.destroy(),this.view.destroy(),this.$el.remove()},i.prototype.callDefault=function(){var i,n,r,s;s=arguments[0],i=2<=arguments.length?o.call(arguments,1):[];try{return e[s].apply(this,i)}catch(r){return n=r,t.error(n+" Or maybe At.js doesn't have function "+s)}},i.prototype.trigger=function(t,e){var i,n;return null==e&&(e=[]),e.push(this),i=this.getOpt("alias"),n=i?t+"-"+i+".atwho":t+".atwho",this.$inputor.trigger(n,e)},i.prototype.callbacks=function(t){return this.getOpt("callbacks")[t]||e[t]},i.prototype.getOpt=function(t,e){var i,n;try{return this.setting[t]}catch(n){return i=n,null}},i.prototype.insertContentFor=function(e){var i,n;return n=this.getOpt("insertTpl"),i=t.extend({},e.data("item-data"),{"atwho-at":this.at}),this.callbacks("tplEval").call(this,n,i,"onInsert")},i.prototype.renderView=function(t){var e;return e=this.getOpt("searchKey"),t=this.callbacks("sorter").call(this,this.query.text,t.slice(0,1001),e),this.view.render(t.slice(0,this.getOpt("limit")))},i.arrayToDefaultHash=function(e){var i,n,r,o;if(!t.isArray(e))return e;for(o=[],i=0,r=e.length;r>i;i++)n=e[i],t.isPlainObject(n)?o.push(n):o.push({name:n});return o},i.prototype.lookUp=function(t){var e,i;if((!t||"click"!==t.type||this.getOpt("lookUpOnClick"))&&(!this.getOpt("suspendOnComposing")||!this.app.isComposing))return(e=this.catchQuery(t))?(this.app.setContextFor(this.at),(i=this.getOpt("delay"))?this._delayLookUp(e,i):this._lookUp(e),e):(this.expectedQueryCBId=null,e)},i.prototype._delayLookUp=function(t,e){var i,n;return i=Date.now?Date.now():(new Date).getTime(),this.previousCallTime||(this.previousCallTime=i),n=e-(i-this.previousCallTime),n>0&&e>n?(this.previousCallTime=i,this._stopDelayedCall(),this.delayedCallTimeout=setTimeout(function(e){return function(){return e.previousCallTime=0,e.delayedCallTimeout=null,e._lookUp(t)}}(this),e)):(this._stopDelayedCall(),this.previousCallTime!==i&&(this.previousCallTime=0),this._lookUp(t))},i.prototype._stopDelayedCall=function(){return this.delayedCallTimeout?(clearTimeout(this.delayedCallTimeout),this.delayedCallTimeout=null):void 0},i.prototype._generateQueryCBId=function(){return{}},i.prototype._lookUp=function(e){var i;return i=function(t,e){return t===this.expectedQueryCBId?e&&e.length>0?this.renderView(this.constructor.arrayToDefaultHash(e)):this.view.hide():void 0},this.expectedQueryCBId=this._generateQueryCBId(),this.model.query(e.text,t.proxy(i,this,this.expectedQueryCBId))},i}();var s,a=function(t,e){function i(){this.constructor=t}for(var n in e)h.call(e,n)&&(t[n]=e[n]);return i.prototype=e.prototype,t.prototype=new i,t.__super__=e.prototype,t},h={}.hasOwnProperty;s=function(e){function i(){return i.__super__.constructor.apply(this,arguments)}return a(i,e),i.prototype.catchQuery=function(){var t,e,i,n,r,o,s;return e=this.$inputor.val(),t=this.$inputor.caret("pos",{iframe:this.app.iframe}),s=e.slice(0,t),r=this.callbacks("matcher").call(this,this.at,s,this.getOpt("startWithSpace"),this.getOpt("acceptSpaceBar")),n="string"==typeof r,n&&r.length<this.getOpt("minLen",0)?void 0:(n&&r.length<=this.getOpt("maxLen",20)?(o=t-r.length,i=o+r.length,this.pos=o,r={text:r,headPos:o,endPos:i},this.trigger("matched",[this.at,r.text])):(r=null,this.view.hide()),this.query=r)},i.prototype.rect=function(){var e,i,n;if(e=this.$inputor.caret("offset",this.pos-1,{iframe:this.app.iframe}))return this.app.iframe&&!this.app.iframeAsRoot&&(i=t(this.app.iframe).offset(),e.left+=i.left,e.top+=i.top),n=this.app.document.selection?0:2,{left:e.left,top:e.top,bottom:e.top+e.height+n}},i.prototype.insert=function(t,e){var i,n,r,o,s;return i=this.$inputor,n=i.val(),r=n.slice(0,Math.max(this.query.headPos-this.at.length,0)),o=""===(o=this.getOpt("suffix"))?o:o||" ",t+=o,s=""+r+t+n.slice(this.query.endPos||0),i.val(s),i.caret("pos",r.length+t.length,{iframe:this.app.iframe}),i.is(":focus")||i.focus(),i.change()},i}(r);var l,a=function(t,e){function i(){this.constructor=t}for(var n in e)h.call(e,n)&&(t[n]=e[n]);return i.prototype=e.prototype,t.prototype=new i,t.__super__=e.prototype,t},h={}.hasOwnProperty;l=function(e){function n(){return n.__super__.constructor.apply(this,arguments)}return a(n,e),n.prototype._getRange=function(){var t;return t=this.app.window.getSelection(),t.rangeCount>0?t.getRangeAt(0):void 0},n.prototype._setRange=function(e,i,n){return null==n&&(n=this._getRange()),n&&i?(i=t(i)[0],"after"===e?(n.setEndAfter(i),n.setStartAfter(i)):(n.setEndBefore(i),n.setStartBefore(i)),n.collapse(!1),this._clearRange(n)):void 0},n.prototype._clearRange=function(t){var e;return null==t&&(t=this._getRange()),e=this.app.window.getSelection(),null==this.ctrl_a_pressed?(e.removeAllRanges(),e.addRange(t)):void 0},n.prototype._movingEvent=function(t){var e;return"click"===t.type||(e=t.which)===i.RIGHT||e===i.LEFT||e===i.UP||e===i.DOWN},n.prototype._unwrap=function(e){var i;return e=t(e).unwrap().get(0),(i=e.nextSibling)&&i.nodeValue&&(e.nodeValue+=i.nodeValue,t(i).remove()),e},n.prototype.catchQuery=function(e){var n,r,o,s,a,h,l,u,c,p,f,d;if((d=this._getRange())&&d.collapsed){if(e.which===i.ENTER)return(r=t(d.startContainer).closest(".atwho-query")).contents().unwrap(),r.is(":empty")&&r.remove(),(r=t(".atwho-query",this.app.document)).text(r.text()).contents().last().unwrap(),void this._clearRange();if(/firefox/i.test(navigator.userAgent)){if(t(d.startContainer).is(this.$inputor))return void this._clearRange();e.which===i.BACKSPACE&&d.startContainer.nodeType===document.ELEMENT_NODE&&(c=d.startOffset-1)>=0?(o=d.cloneRange(),o.setStart(d.startContainer,c),t(o.cloneContents()).contents().last().is(".atwho-inserted")&&(a=t(d.startContainer).contents().get(c),this._setRange("after",t(a).contents().last()))):e.which===i.LEFT&&d.startContainer.nodeType===document.TEXT_NODE&&(n=t(d.startContainer.previousSibling),n.is(".atwho-inserted")&&0===d.startOffset&&this._setRange("after",n.contents().last()))}if(t(d.startContainer).closest(".atwho-inserted").addClass("atwho-query").siblings().removeClass("atwho-query"),(r=t(".atwho-query",this.app.document)).length>0&&r.is(":empty")&&0===r.text().length&&r.remove(),this._movingEvent(e)||r.removeClass("atwho-inserted"),r.length>0)switch(e.which){case i.LEFT:return this._setRange("before",r.get(0),d),void r.removeClass("atwho-query");case i.RIGHT:return this._setRange("after",r.get(0).nextSibling,d),void r.removeClass("atwho-query")}if(r.length>0&&(f=r.attr("data-atwho-at-query"))&&(r.empty().html(f).attr("data-atwho-at-query",null),this._setRange("after",r.get(0),d)),o=d.cloneRange(),o.setStart(d.startContainer,0),u=this.callbacks("matcher").call(this,this.at,o.toString(),this.getOpt("startWithSpace"),this.getOpt("acceptSpaceBar")),h="string"==typeof u,0===r.length&&h&&(s=d.startOffset-this.at.length-u.length)>=0&&(d.setStart(d.startContainer,s),r=t("<span/>",this.app.document).attr(this.getOpt("editableAtwhoQueryAttrs")).addClass("atwho-query"),d.surroundContents(r.get(0)),l=r.contents().last().get(0),l&&(/firefox/i.test(navigator.userAgent)?(d.setStart(l,l.length),d.setEnd(l,l.length),this._clearRange(d)):this._setRange("after",l,d))),!(h&&u.length<this.getOpt("minLen",0)))return h&&u.length<=this.getOpt("maxLen",20)?(p={text:u,el:r},this.trigger("matched",[this.at,p.text]),this.query=p):(this.view.hide(),this.query={el:r},r.text().indexOf(this.at)>=0&&(this._movingEvent(e)&&r.hasClass("atwho-inserted")?r.removeClass("atwho-query"):!1!==this.callbacks("afterMatchFailed").call(this,this.at,r)&&this._setRange("after",this._unwrap(r.text(r.text()).contents().first()))),null)}},n.prototype.rect=function(){var e,i,n;return n=this.query.el.offset(),n&&this.query.el[0].getClientRects().length?(this.app.iframe&&!this.app.iframeAsRoot&&(i=(e=t(this.app.iframe)).offset(),n.left+=i.left-this.$inputor.scrollLeft(),n.top+=i.top-this.$inputor.scrollTop()),n.bottom=n.top+this.query.el.height(),n):void 0},n.prototype.insert=function(t,e){var i,n,r,o,s;return this.$inputor.is(":focus")||this.$inputor.focus(),n=this.getOpt("functionOverrides"),n.insert?n.insert.call(this,t,e):(o=""===(o=this.getOpt("suffix"))?o:o||" ",i=e.data("item-data"),this.query.el.removeClass("atwho-query").addClass("atwho-inserted").html(t).attr("data-atwho-at-query",""+i["atwho-at"]+this.query.text).attr("contenteditable","false"),(r=this._getRange())&&(this.query.el.length&&r.setEndAfter(this.query.el[0]),r.collapse(!1),r.insertNode(s=this.app.document.createTextNode(""+o)),this._setRange("after",s,r)),this.$inputor.is(":focus")||this.$inputor.focus(),this.$inputor.change())},n}(r);var u;u=function(){function e(t){this.context=t,this.at=this.context.at,this.storage=this.context.$inputor}return e.prototype.destroy=function(){return this.storage.data(this.at,null)},e.prototype.saved=function(){return this.fetch()>0},e.prototype.query=function(t,e){var i,n,r;return n=this.fetch(),r=this.context.getOpt("searchKey"),n=this.context.callbacks("filter").call(this.context,t,n,r)||[],i=this.context.callbacks("remoteFilter"),n.length>0||!i&&0===n.length?e(n):i.call(this.context,t,e)},e.prototype.fetch=function(){return this.storage.data(this.at)||[]},e.prototype.save=function(t){return this.storage.data(this.at,this.context.callbacks("beforeSave").call(this.context,t||[]))},e.prototype.load=function(t){return!this.saved()&&t?this._load(t):void 0},e.prototype.reload=function(t){return this._load(t)},e.prototype._load=function(e){return"string"==typeof e?t.ajax(e,{dataType:"json"}).done(function(t){return function(e){return t.save(e)}}(this)):this.save(e)},e}();var c;c=function(){function e(e){this.context=e,this.$el=t("<div class='atwho-view'><ul class='atwho-view-ul'></ul></div>"),this.$elUl=this.$el.children(),this.timeoutID=null,this.context.$el.append(this.$el),this.bindEvent()}return e.prototype.init=function(){var t,e;return e=this.context.getOpt("alias")||this.context.at.charCodeAt(0),t=this.context.getOpt("headerTpl"),t&&1===this.$el.children().length&&this.$el.prepend(t),this.$el.attr({id:"at-view-"+e})},e.prototype.destroy=function(){return this.$el.remove()},e.prototype.bindEvent=function(){var e,i,n;return e=this.$el.find("ul"),i=0,n=0,e.on("mousemove.atwho-view","li",function(r){return function(r){var o;if((i!==r.clientX||n!==r.clientY)&&(i=r.clientX,n=r.clientY,o=t(r.currentTarget),!o.hasClass("cur")))return e.find(".cur").removeClass("cur"),o.addClass("cur")}}(this)).on("click.atwho-view","li",function(i){return function(n){return e.find(".cur").removeClass("cur"),t(n.currentTarget).addClass("cur"),i.choose(n),n.preventDefault()}}(this))},e.prototype.visible=function(){return t.expr.filters.visible(this.$el[0])},e.prototype.highlighted=function(){return this.$el.find(".cur").length>0},e.prototype.choose=function(t){var e,i;return(e=this.$el.find(".cur")).length&&(i=this.context.insertContentFor(e),this.context._stopDelayedCall(),this.context.insert(this.context.callbacks("beforeInsert").call(this.context,i,e,t),e),this.context.trigger("inserted",[e,t]),this.hide(t)),this.context.getOpt("hideWithoutSuffix")?this.stopShowing=!0:void 0},e.prototype.reposition=function(e){var i,n,r,o;return i=this.context.app.iframeAsRoot?this.context.app.window:window,e.bottom+this.$el.height()-t(i).scrollTop()>t(i).height()&&(e.bottom=e.top-this.$el.height()),e.left>(r=t(i).width()-this.$el.width()-5)&&(e.left=r),n={left:e.left,top:e.bottom},null!=(o=this.context.callbacks("beforeReposition"))&&o.call(this.context,n),this.$el.offset(n),this.context.trigger("reposition",[n])},e.prototype.next=function(){var t,e,i,n;return t=this.$el.find(".cur").removeClass("cur"),e=t.next(),e.length||(e=this.$el.find("li:first")),e.addClass("cur"),i=e[0],n=i.offsetTop+i.offsetHeight+(i.nextSibling?i.nextSibling.offsetHeight:0),this.scrollTop(Math.max(0,n-this.$el.height()))},e.prototype.prev=function(){var t,e,i,n;return t=this.$el.find(".cur").removeClass("cur"),i=t.prev(),i.length||(i=this.$el.find("li:last")),i.addClass("cur"),n=i[0],e=n.offsetTop+n.offsetHeight+(n.nextSibling?n.nextSibling.offsetHeight:0),this.scrollTop(Math.max(0,e-this.$el.height()))},e.prototype.scrollTop=function(t){var e;return e=this.context.getOpt("scrollDuration"),e?this.$elUl.animate({scrollTop:t},e):this.$elUl.scrollTop(t)},e.prototype.show=function(){var t;return this.stopShowing?void(this.stopShowing=!1):(this.visible()||(this.$el.show(),this.$el.scrollTop(0),this.context.trigger("shown")),(t=this.context.rect())?this.reposition(t):void 0)},e.prototype.hide=function(t,e){var i;if(this.visible())return isNaN(e)?(this.$el.hide(),this.context.trigger("hidden",[t])):(i=function(t){return function(){return t.hide()}}(this),clearTimeout(this.timeoutID),this.timeoutID=setTimeout(i,e))},e.prototype.render=function(e){var i,n,r,o,s,a,h;if(!(t.isArray(e)&&e.length>0))return void this.hide();for(this.$el.find("ul").empty(),n=this.$el.find("ul"),h=this.context.getOpt("displayTpl"),r=0,s=e.length;s>r;r++)o=e[r],o=t.extend({},o,{"atwho-at":this.context.at}),a=this.context.callbacks("tplEval").call(this.context,h,o,"onDisplay"),i=t(this.context.callbacks("highlighter").call(this.context,a,this.context.query.text)),i.data("item-data",o),n.append(i);return this.show(),this.context.getOpt("highlightFirst")?n.find("li:first").addClass("cur"):void 0},e}();var p;p={load:function(t,e){var i;return(i=this.controller(t))?i.model.load(e):void 0},isSelecting:function(){var t;return!!(null!=(t=this.controller())?t.view.visible():void 0)},hide:function(){var t;return null!=(t=this.controller())?t.view.hide():void 0},reposition:function(){var t;return(t=this.controller())?t.view.reposition(t.rect()):void 0},setIframe:function(t,e){return this.setupRootElement(t,e),null},run:function(){return this.dispatch()},destroy:function(){return this.shutdown(),this.$inputor.data("atwho",null)}},t.fn.atwho=function(e){var i,r;return i=arguments,r=null,this.filter('textarea, input, [contenteditable=""], [contenteditable=true]').each(function(){var o,s;return(s=(o=t(this)).data("atwho"))||o.data("atwho",s=new n(this)),"object"!=typeof e&&e?p[e]&&s?r=p[e].apply(s,Array.prototype.slice.call(i,1)):t.error("Method "+e+" does not exist on jQuery.atwho"):s.reg(e.at,e)}),null!=r?r:this},t.fn.atwho["default"]={at:void 0,alias:void 0,data:null,displayTpl:"<li>${name}</li>",insertTpl:"${atwho-at}${name}",headerTpl:null,callbacks:e,functionOverrides:{},searchKey:"name",suffix:void 0,hideWithoutSuffix:!1,startWithSpace:!0,acceptSpaceBar:!1,highlightFirst:!0,limit:5,maxLen:20,minLen:0,displayTimeout:300,delay:null,spaceSelectsMatch:!1,tabSelectsMatch:!0,editableAtwhoQueryAttrs:{},scrollDuration:150,suspendOnComposing:!0,lookUpOnClick:!0},t.fn.atwho.debug=!1});
\ No newline at end of file
diff --git a/public/js/jquery.caret.js b/public/js/jquery.caret.js
deleted file mode 100644
index 811ec63ee..000000000
--- a/public/js/jquery.caret.js
+++ /dev/null
@@ -1,436 +0,0 @@
-(function (root, factory) {
-  if (typeof define === 'function' && define.amd) {
-    // AMD. Register as an anonymous module.
-    define(["jquery"], function ($) {
-      return (root.returnExportsGlobal = factory($));
-    });
-  } else if (typeof exports === 'object') {
-    // Node. Does not work with strict CommonJS, but
-    // only CommonJS-like enviroments that support module.exports,
-    // like Node.
-    module.exports = factory(require("jquery"));
-  } else {
-    factory(jQuery);
-  }
-}(this, function ($) {
-
-/*
-  Implement Github like autocomplete mentions
-  http://ichord.github.com/At.js
-
-  Copyright (c) 2013 chord.luo@gmail.com
-  Licensed under the MIT license.
-*/
-
-/*
-本插件操作 textarea 或者 input 内的插入符
-只实现了获得插入符在文本框中的位置，我设置
-插入符的位置.
-*/
-
-"use strict";
-var EditableCaret, InputCaret, Mirror, Utils, discoveryIframeOf, methods, oDocument, oFrame, oWindow, pluginName, setContextBy;
-
-pluginName = 'caret';
-
-EditableCaret = (function() {
-  function EditableCaret($inputor) {
-    this.$inputor = $inputor;
-    this.domInputor = this.$inputor[0];
-  }
-
-  EditableCaret.prototype.setPos = function(pos) {
-    var fn, found, offset, sel;
-    if (sel = oWindow.getSelection()) {
-      offset = 0;
-      found = false;
-      (fn = function(pos, parent) {
-        var node, range, _i, _len, _ref, _results;
-        _ref = parent.childNodes;
-        _results = [];
-        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
-          node = _ref[_i];
-          if (found) {
-            break;
-          }
-          if (node.nodeType === 3) {
-            if (offset + node.length >= pos) {
-              found = true;
-              range = oDocument.createRange();
-              range.setStart(node, pos - offset);
-              sel.removeAllRanges();
-              sel.addRange(range);
-              break;
-            } else {
-              _results.push(offset += node.length);
-            }
-          } else {
-            _results.push(fn(pos, node));
-          }
-        }
-        return _results;
-      })(pos, this.domInputor);
-    }
-    return this.domInputor;
-  };
-
-  EditableCaret.prototype.getIEPosition = function() {
-    return this.getPosition();
-  };
-
-  EditableCaret.prototype.getPosition = function() {
-    var inputor_offset, offset;
-    offset = this.getOffset();
-    inputor_offset = this.$inputor.offset();
-    offset.left -= inputor_offset.left;
-    offset.top -= inputor_offset.top;
-    return offset;
-  };
-
-  EditableCaret.prototype.getOldIEPos = function() {
-    var preCaretTextRange, textRange;
-    textRange = oDocument.selection.createRange();
-    preCaretTextRange = oDocument.body.createTextRange();
-    preCaretTextRange.moveToElementText(this.domInputor);
-    preCaretTextRange.setEndPoint("EndToEnd", textRange);
-    return preCaretTextRange.text.length;
-  };
-
-  EditableCaret.prototype.getPos = function() {
-    var clonedRange, pos, range;
-    if (range = this.range()) {
-      clonedRange = range.cloneRange();
-      clonedRange.selectNodeContents(this.domInputor);
-      clonedRange.setEnd(range.endContainer, range.endOffset);
-      pos = clonedRange.toString().length;
-      clonedRange.detach();
-      return pos;
-    } else if (oDocument.selection) {
-      return this.getOldIEPos();
-    }
-  };
-
-  EditableCaret.prototype.getOldIEOffset = function() {
-    var range, rect;
-    range = oDocument.selection.createRange().duplicate();
-    range.moveStart("character", -1);
-    rect = range.getBoundingClientRect();
-    return {
-      height: rect.bottom - rect.top,
-      left: rect.left,
-      top: rect.top
-    };
-  };
-
-  EditableCaret.prototype.getOffset = function(pos) {
-    var clonedRange, offset, range, rect, shadowCaret;
-    if (oWindow.getSelection && (range = this.range())) {
-      if (range.endOffset - 1 > 0 && range.endContainer !== this.domInputor) {
-        clonedRange = range.cloneRange();
-        clonedRange.setStart(range.endContainer, range.endOffset - 1);
-        clonedRange.setEnd(range.endContainer, range.endOffset);
-        rect = clonedRange.getBoundingClientRect();
-        offset = {
-          height: rect.height,
-          left: rect.left + rect.width,
-          top: rect.top
-        };
-        clonedRange.detach();
-      }
-      if (!offset || (offset != null ? offset.height : void 0) === 0) {
-        clonedRange = range.cloneRange();
-        shadowCaret = $(oDocument.createTextNode("|"));
-        clonedRange.insertNode(shadowCaret[0]);
-        clonedRange.selectNode(shadowCaret[0]);
-        rect = clonedRange.getBoundingClientRect();
-        offset = {
-          height: rect.height,
-          left: rect.left,
-          top: rect.top
-        };
-        shadowCaret.remove();
-        clonedRange.detach();
-      }
-    } else if (oDocument.selection) {
-      offset = this.getOldIEOffset();
-    }
-    if (offset) {
-      offset.top += $(oWindow).scrollTop();
-      offset.left += $(oWindow).scrollLeft();
-    }
-    return offset;
-  };
-
-  EditableCaret.prototype.range = function() {
-    var sel;
-    if (!oWindow.getSelection) {
-      return;
-    }
-    sel = oWindow.getSelection();
-    if (sel.rangeCount > 0) {
-      return sel.getRangeAt(0);
-    } else {
-      return null;
-    }
-  };
-
-  return EditableCaret;
-
-})();
-
-InputCaret = (function() {
-  function InputCaret($inputor) {
-    this.$inputor = $inputor;
-    this.domInputor = this.$inputor[0];
-  }
-
-  InputCaret.prototype.getIEPos = function() {
-    var endRange, inputor, len, normalizedValue, pos, range, textInputRange;
-    inputor = this.domInputor;
-    range = oDocument.selection.createRange();
-    pos = 0;
-    if (range && range.parentElement() === inputor) {
-      normalizedValue = inputor.value.replace(/\r\n/g, "\n");
-      len = normalizedValue.length;
-      textInputRange = inputor.createTextRange();
-      textInputRange.moveToBookmark(range.getBookmark());
-      endRange = inputor.createTextRange();
-      endRange.collapse(false);
-      if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
-        pos = len;
-      } else {
-        pos = -textInputRange.moveStart("character", -len);
-      }
-    }
-    return pos;
-  };
-
-  InputCaret.prototype.getPos = function() {
-    if (oDocument.selection) {
-      return this.getIEPos();
-    } else {
-      return this.domInputor.selectionStart;
-    }
-  };
-
-  InputCaret.prototype.setPos = function(pos) {
-    var inputor, range;
-    inputor = this.domInputor;
-    if (oDocument.selection) {
-      range = inputor.createTextRange();
-      range.move("character", pos);
-      range.select();
-    } else if (inputor.setSelectionRange) {
-      inputor.setSelectionRange(pos, pos);
-    }
-    return inputor;
-  };
-
-  InputCaret.prototype.getIEOffset = function(pos) {
-    var h, textRange, x, y;
-    textRange = this.domInputor.createTextRange();
-    pos || (pos = this.getPos());
-    textRange.move('character', pos);
-    x = textRange.boundingLeft;
-    y = textRange.boundingTop;
-    h = textRange.boundingHeight;
-    return {
-      left: x,
-      top: y,
-      height: h
-    };
-  };
-
-  InputCaret.prototype.getOffset = function(pos) {
-    var $inputor, offset, position;
-    $inputor = this.$inputor;
-    if (oDocument.selection) {
-      offset = this.getIEOffset(pos);
-      offset.top += $(oWindow).scrollTop() + $inputor.scrollTop();
-      offset.left += $(oWindow).scrollLeft() + $inputor.scrollLeft();
-      return offset;
-    } else {
-      offset = $inputor.offset();
-      position = this.getPosition(pos);
-      return offset = {
-        left: offset.left + position.left - $inputor.scrollLeft(),
-        top: offset.top + position.top - $inputor.scrollTop(),
-        height: position.height
-      };
-    }
-  };
-
-  InputCaret.prototype.getPosition = function(pos) {
-    var $inputor, at_rect, end_range, format, html, mirror, start_range;
-    $inputor = this.$inputor;
-    format = function(value) {
-      value = value.replace(/<|>|`|"|&/g, '?').replace(/\r\n|\r|\n/g, "<br/>");
-      if (/firefox/i.test(navigator.userAgent)) {
-        value = value.replace(/\s/g, '&nbsp;');
-      }
-      return value;
-    };
-    if (pos === void 0) {
-      pos = this.getPos();
-    }
-    start_range = $inputor.val().slice(0, pos);
-    end_range = $inputor.val().slice(pos);
-    html = "<span style='position: relative; display: inline;'>" + format(start_range) + "</span>";
-    html += "<span id='caret' style='position: relative; display: inline;'>|</span>";
-    html += "<span style='position: relative; display: inline;'>" + format(end_range) + "</span>";
-    mirror = new Mirror($inputor);
-    return at_rect = mirror.create(html).rect();
-  };
-
-  InputCaret.prototype.getIEPosition = function(pos) {
-    var h, inputorOffset, offset, x, y;
-    offset = this.getIEOffset(pos);
-    inputorOffset = this.$inputor.offset();
-    x = offset.left - inputorOffset.left;
-    y = offset.top - inputorOffset.top;
-    h = offset.height;
-    return {
-      left: x,
-      top: y,
-      height: h
-    };
-  };
-
-  return InputCaret;
-
-})();
-
-Mirror = (function() {
-  Mirror.prototype.css_attr = ["borderBottomWidth", "borderLeftWidth", "borderRightWidth", "borderTopStyle", "borderRightStyle", "borderBottomStyle", "borderLeftStyle", "borderTopWidth", "boxSizing", "fontFamily", "fontSize", "fontWeight", "height", "letterSpacing", "lineHeight", "marginBottom", "marginLeft", "marginRight", "marginTop", "outlineWidth", "overflow", "overflowX", "overflowY", "paddingBottom", "paddingLeft", "paddingRight", "paddingTop", "textAlign", "textOverflow", "textTransform", "whiteSpace", "wordBreak", "wordWrap"];
-
-  function Mirror($inputor) {
-    this.$inputor = $inputor;
-  }
-
-  Mirror.prototype.mirrorCss = function() {
-    var css,
-      _this = this;
-    css = {
-      position: 'absolute',
-      left: -9999,
-      top: 0,
-      zIndex: -20000
-    };
-    if (this.$inputor.prop('tagName') === 'TEXTAREA') {
-      this.css_attr.push('width');
-    }
-    $.each(this.css_attr, function(i, p) {
-      return css[p] = _this.$inputor.css(p);
-    });
-    return css;
-  };
-
-  Mirror.prototype.create = function(html) {
-    this.$mirror = $('<div></div>');
-    this.$mirror.css(this.mirrorCss());
-    this.$mirror.html(html);
-    this.$inputor.after(this.$mirror);
-    return this;
-  };
-
-  Mirror.prototype.rect = function() {
-    var $flag, pos, rect;
-    $flag = this.$mirror.find("#caret");
-    pos = $flag.position();
-    rect = {
-      left: pos.left,
-      top: pos.top,
-      height: $flag.height()
-    };
-    this.$mirror.remove();
-    return rect;
-  };
-
-  return Mirror;
-
-})();
-
-Utils = {
-  contentEditable: function($inputor) {
-    return !!($inputor[0].contentEditable && $inputor[0].contentEditable === 'true');
-  }
-};
-
-methods = {
-  pos: function(pos) {
-    if (pos || pos === 0) {
-      return this.setPos(pos);
-    } else {
-      return this.getPos();
-    }
-  },
-  position: function(pos) {
-    if (oDocument.selection) {
-      return this.getIEPosition(pos);
-    } else {
-      return this.getPosition(pos);
-    }
-  },
-  offset: function(pos) {
-    var offset;
-    offset = this.getOffset(pos);
-    return offset;
-  }
-};
-
-oDocument = null;
-
-oWindow = null;
-
-oFrame = null;
-
-setContextBy = function(settings) {
-  var iframe;
-  if (iframe = settings != null ? settings.iframe : void 0) {
-    oFrame = iframe;
-    oWindow = iframe.contentWindow;
-    return oDocument = iframe.contentDocument || oWindow.document;
-  } else {
-    oFrame = void 0;
-    oWindow = window;
-    return oDocument = document;
-  }
-};
-
-discoveryIframeOf = function($dom) {
-  var error;
-  oDocument = $dom[0].ownerDocument;
-  oWindow = oDocument.defaultView || oDocument.parentWindow;
-  try {
-    return oFrame = oWindow.frameElement;
-  } catch (_error) {
-    error = _error;
-  }
-};
-
-$.fn.caret = function(method, value, settings) {
-  var caret;
-  if (methods[method]) {
-    if ($.isPlainObject(value)) {
-      setContextBy(value);
-      value = void 0;
-    } else {
-      setContextBy(settings);
-    }
-    caret = Utils.contentEditable(this) ? new EditableCaret(this) : new InputCaret(this);
-    return methods[method].apply(caret, [value]);
-  } else {
-    return $.error("Method " + method + " does not exist on jQuery.caret");
-  }
-};
-
-$.fn.caret.EditableCaret = EditableCaret;
-
-$.fn.caret.InputCaret = InputCaret;
-
-$.fn.caret.Utils = Utils;
-
-$.fn.caret.apis = methods;
-
-
-}));
diff --git a/public/js/jquery.caret.min.js b/public/js/jquery.caret.min.js
deleted file mode 100644
index a25584e2a..000000000
--- a/public/js/jquery.caret.min.js
+++ /dev/null
@@ -1,2 +0,0 @@
-/*! jquery.caret 2016-02-27 */
-!function(a,b){"function"==typeof define&&define.amd?define(["jquery"],function(c){return a.returnExportsGlobal=b(c)}):"object"==typeof exports?module.exports=b(require("jquery")):b(jQuery)}(this,function(a){"use strict";var b,c,d,e,f,g,h,i,j,k,l;k="caret",b=function(){function b(a){this.$inputor=a,this.domInputor=this.$inputor[0]}return b.prototype.setPos=function(a){var b,c,d,e;return(e=j.getSelection())&&(d=0,c=!1,(b=function(a,f){var g,i,j,k,l,m;for(l=f.childNodes,m=[],j=0,k=l.length;k>j&&(g=l[j],!c);j++)if(3===g.nodeType){if(d+g.length>=a){c=!0,i=h.createRange(),i.setStart(g,a-d),e.removeAllRanges(),e.addRange(i);break}m.push(d+=g.length)}else m.push(b(a,g));return m})(a,this.domInputor)),this.domInputor},b.prototype.getIEPosition=function(){return this.getPosition()},b.prototype.getPosition=function(){var a,b;return b=this.getOffset(),a=this.$inputor.offset(),b.left-=a.left,b.top-=a.top,b},b.prototype.getOldIEPos=function(){var a,b;return b=h.selection.createRange(),a=h.body.createTextRange(),a.moveToElementText(this.domInputor),a.setEndPoint("EndToEnd",b),a.text.length},b.prototype.getPos=function(){var a,b,c;return(c=this.range())?(a=c.cloneRange(),a.selectNodeContents(this.domInputor),a.setEnd(c.endContainer,c.endOffset),b=a.toString().length,a.detach(),b):h.selection?this.getOldIEPos():void 0},b.prototype.getOldIEOffset=function(){var a,b;return a=h.selection.createRange().duplicate(),a.moveStart("character",-1),b=a.getBoundingClientRect(),{height:b.bottom-b.top,left:b.left,top:b.top}},b.prototype.getOffset=function(){var b,c,d,e,f;return j.getSelection&&(d=this.range())?(d.endOffset-1>0&&d.endContainer!==this.domInputor&&(b=d.cloneRange(),b.setStart(d.endContainer,d.endOffset-1),b.setEnd(d.endContainer,d.endOffset),e=b.getBoundingClientRect(),c={height:e.height,left:e.left+e.width,top:e.top},b.detach()),c&&0!==(null!=c?c.height:void 0)||(b=d.cloneRange(),f=a(h.createTextNode("|")),b.insertNode(f[0]),b.selectNode(f[0]),e=b.getBoundingClientRect(),c={height:e.height,left:e.left,top:e.top},f.remove(),b.detach())):h.selection&&(c=this.getOldIEOffset()),c&&(c.top+=a(j).scrollTop(),c.left+=a(j).scrollLeft()),c},b.prototype.range=function(){var a;if(j.getSelection)return a=j.getSelection(),a.rangeCount>0?a.getRangeAt(0):null},b}(),c=function(){function b(a){this.$inputor=a,this.domInputor=this.$inputor[0]}return b.prototype.getIEPos=function(){var a,b,c,d,e,f,g;return b=this.domInputor,f=h.selection.createRange(),e=0,f&&f.parentElement()===b&&(d=b.value.replace(/\r\n/g,"\n"),c=d.length,g=b.createTextRange(),g.moveToBookmark(f.getBookmark()),a=b.createTextRange(),a.collapse(!1),e=g.compareEndPoints("StartToEnd",a)>-1?c:-g.moveStart("character",-c)),e},b.prototype.getPos=function(){return h.selection?this.getIEPos():this.domInputor.selectionStart},b.prototype.setPos=function(a){var b,c;return b=this.domInputor,h.selection?(c=b.createTextRange(),c.move("character",a),c.select()):b.setSelectionRange&&b.setSelectionRange(a,a),b},b.prototype.getIEOffset=function(a){var b,c,d,e;return c=this.domInputor.createTextRange(),a||(a=this.getPos()),c.move("character",a),d=c.boundingLeft,e=c.boundingTop,b=c.boundingHeight,{left:d,top:e,height:b}},b.prototype.getOffset=function(b){var c,d,e;return c=this.$inputor,h.selection?(d=this.getIEOffset(b),d.top+=a(j).scrollTop()+c.scrollTop(),d.left+=a(j).scrollLeft()+c.scrollLeft(),d):(d=c.offset(),e=this.getPosition(b),d={left:d.left+e.left-c.scrollLeft(),top:d.top+e.top-c.scrollTop(),height:e.height})},b.prototype.getPosition=function(a){var b,c,e,f,g,h,i;return b=this.$inputor,f=function(a){return a=a.replace(/<|>|`|"|&/g,"?").replace(/\r\n|\r|\n/g,"<br/>"),/firefox/i.test(navigator.userAgent)&&(a=a.replace(/\s/g,"&nbsp;")),a},void 0===a&&(a=this.getPos()),i=b.val().slice(0,a),e=b.val().slice(a),g="<span style='position: relative; display: inline;'>"+f(i)+"</span>",g+="<span id='caret' style='position: relative; display: inline;'>|</span>",g+="<span style='position: relative; display: inline;'>"+f(e)+"</span>",h=new d(b),c=h.create(g).rect()},b.prototype.getIEPosition=function(a){var b,c,d,e,f;return d=this.getIEOffset(a),c=this.$inputor.offset(),e=d.left-c.left,f=d.top-c.top,b=d.height,{left:e,top:f,height:b}},b}(),d=function(){function b(a){this.$inputor=a}return b.prototype.css_attr=["borderBottomWidth","borderLeftWidth","borderRightWidth","borderTopStyle","borderRightStyle","borderBottomStyle","borderLeftStyle","borderTopWidth","boxSizing","fontFamily","fontSize","fontWeight","height","letterSpacing","lineHeight","marginBottom","marginLeft","marginRight","marginTop","outlineWidth","overflow","overflowX","overflowY","paddingBottom","paddingLeft","paddingRight","paddingTop","textAlign","textOverflow","textTransform","whiteSpace","wordBreak","wordWrap"],b.prototype.mirrorCss=function(){var b,c=this;return b={position:"absolute",left:-9999,top:0,zIndex:-2e4},"TEXTAREA"===this.$inputor.prop("tagName")&&this.css_attr.push("width"),a.each(this.css_attr,function(a,d){return b[d]=c.$inputor.css(d)}),b},b.prototype.create=function(b){return this.$mirror=a("<div></div>"),this.$mirror.css(this.mirrorCss()),this.$mirror.html(b),this.$inputor.after(this.$mirror),this},b.prototype.rect=function(){var a,b,c;return a=this.$mirror.find("#caret"),b=a.position(),c={left:b.left,top:b.top,height:a.height()},this.$mirror.remove(),c},b}(),e={contentEditable:function(a){return!(!a[0].contentEditable||"true"!==a[0].contentEditable)}},g={pos:function(a){return a||0===a?this.setPos(a):this.getPos()},position:function(a){return h.selection?this.getIEPosition(a):this.getPosition(a)},offset:function(a){var b;return b=this.getOffset(a)}},h=null,j=null,i=null,l=function(a){var b;return(b=null!=a?a.iframe:void 0)?(i=b,j=b.contentWindow,h=b.contentDocument||j.document):(i=void 0,j=window,h=document)},f=function(a){var b;h=a[0].ownerDocument,j=h.defaultView||h.parentWindow;try{return i=j.frameElement}catch(c){b=c}},a.fn.caret=function(d,f,h){var i;return g[d]?(a.isPlainObject(f)?(l(f),f=void 0):l(h),i=e.contentEditable(this)?new b(this):new c(this),g[d].apply(i,[f])):a.error("Method "+d+" does not exist on jQuery.caret")},a.fn.caret.EditableCaret=b,a.fn.caret.InputCaret=c,a.fn.caret.Utils=e,a.fn.caret.apis=g});
\ No newline at end of file